Whiteside County, IL Average Home Price (2026)
The average home price in Whiteside County, Illinois is about $169,000 (the 2026 median across 11 ZIP codes, at ~$131/sq ft) — 14% more affordable than the Illinois median and 42% more affordable than the typical U.S. home.
How Whiteside County compares
Whiteside County is relatively affordable for housing nationally: its typical home costs $169,000 against $197,000 for Illinois and $289,000 for the U.S. Within the county, ZIP-level values run from about $122,000 to $331,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Whiteside County | $169,000 | $131 |
| Illinois | $197,000 | $134 |
| United States | $289,000 | $193 |
Whiteside County home prices by ZIP code
The 11 most valuable ZIP codes in Whiteside County (of 11 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 61243 Deer Grove | $331,000 | $174 | +96% |
| 61251 Fenton | $233,000 | $194 | +38% |
| 61250 Erie | $176,000 | $83 | +4% |
| 61270 Morrison | $173,000 | $132 | +2% |
| 61277 Prophetstown | $171,000 | $114 | +1% |
| 61230 Albany | $169,000 | $131 | +0% |
| 61252 Fulton | $163,000 | $101 | -4% |
| 61081 Sterling | $146,000 | $116 | -14% |
| 61283 Tampico | $131,000 | $155 | -22% |
| 61261 Lyndon | $123,000 | $216 | -27% |
| 61071 Rock Falls | $122,000 | $112 | -28% |
Home value appreciation in Whiteside County
Home prices in Whiteside County have risen about 51% over the last 10 years (≈4.2% a year) and +61.7% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +4.0% — still rising. A home worth $169,000 today was worth roughly $111,772 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Illinois is +64.6% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Whiteside County
Run the numbers for Whiteside County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Whiteside County
To buy the typical $169,000 home in Whiteside County with 20% down, you need a household income of roughly $46,000 a year (about $1,070 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $55,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $8,500 | $1,330/mo | $57,000/yr |
| 10% (+PMI) | $16,900 | $1,270/mo | $55,000/yr |
| 20% | $33,800 | $1,070/mo | $46,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Whiteside County
At about $131 per square foot, here is roughly how much home different budgets get you in Whiteside County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 1150 sq ft | around the typical home here |
| $200k | 1530 sq ft | around the typical home here |
| $250k | 1910 sq ft | above the median — larger homes or the pricier ZIPs |
| $300k | 2290 sq ft | above the median — larger homes or the pricier ZIPs |
| $400k | 3050 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Illinois.
Estimate a specific home in Whiteside County
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Whiteside County home prices: frequently asked
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Browse all Illinois cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.